Jaguar XJ remapping
Typical Stage 1 figures for all 25 XJ engines, from 204bhp to 567bhp stock, with Stage 2 shown where the engine suits it.
XJ remapJaguar XJ remapping, coding and retrofits in Stoke‑on‑Trent
We hold 25 Jaguar XJ engines across 4 generations, 2003 to 2019. Pick yours below: the 5.0 V8 550hp has the biggest typical Stage 1 gain, 542bhp stock to around 585 to 620bhp.
VEXEN remaps, diagnoses and codes the Jaguar XJ at our unit in Fenton, Stoke-on-Trent. We hold 25 XJ engines across 4 generations, 2003 to 2019. Stage 1 is £249 and Stage 2 is £349. Pick your engine below, or message us with your reg for the exact figure.
Choose your XJ
Generation
Remap
Typical Stage 1: 335 to 355bhp, from 296bhp stock
XJ 3.0 Diesel 300hp remapDPF regeneration
The 3.0 Diesel 300hp has a DPF: a forced regeneration clears a blocked filter and keeps it in place
XJ 3.0 Diesel 300hp DPF regenerationDPF delete
No more blocked filter or DPF light, from £249
XJ 3.0 Diesel 300hp DPF deleteEGR delete
No more clogged or sticking EGR valve, from £249
XJ 3.0 Diesel 300hp EGR deleteAdBlue delete
The 3.0 Diesel 300hp carries AdBlue (SCR): no more AdBlue faults, from £249
XJ 3.0 Diesel 300hp AdBlue deleteApple CarPlay and Android Auto
Supplied and fitted from £400
XJ CarPlayDiagnostics and coding
Dealer-level diagnostics, coding, adaptations and service resets for the XJ
Diagnostics and codingPops and bangs and limiter removal
Written into your XJ remap: pops and bangs £80 extra, limiter removal on request
XJ 3.0 Diesel 300hp remap
What we can do for your XJ
Jaguar XJ DPF regeneration
4 of the XJ engines on file are diesel, each with a diesel particulate filter. A forced regeneration clears the soot from a blocked filter and keeps it in place.
XJ DPF regenerationJaguar XJ DPF delete
DPF delete for the 4 diesel XJ engines, from £249: no more blocked filter, regeneration cycles or DPF warning lights.
XJ DPF deleteJaguar XJ EGR delete
EGR delete for the diesel XJ, from £249: no more clogged or sticking EGR valve and less soot in the intake.
XJ EGR deleteJaguar XJ AdBlue delete
1 of the diesel XJ engines carry AdBlue (SCR). AdBlue delete from £249: no AdBlue to top up and no SCR faults.
XJ AdBlue deleteJaguar XJ Apple CarPlay and Android Auto
2015 to 2019 (2015 to 2019), X351 (2009 to 2015), X358 (2007 to 2009), X350 (2003 to 2006): built before Jaguar offered Apple CarPlay or Android Auto from the factory. We supply and fit both from £400.
XJ CarPlayJaguar XJ diagnostics and coding
Dealer-level diagnostics for the XJ: full module scanning, fault investigation, live data, adaptations, service resets and vehicle configuration. We find out why a warning light is on, not just clear it.
Diagnostics and codingJaguar XJ pops and bangs and limiter removal
Pops and bangs and limiter removal are added to the XJ remap software. Pops and bangs are £80 on top of the remap price; message us about limiter removal for your engine.
XJ remapJaguar XJ FAQ
Jaguar XJ questions
25 engines across 4 generations, 2003 to 2019, 4 of them diesel. Pick yours on this page for the typical Stage 1 and Stage 2 gains.
Stage 1 is £249 and Stage 2 is £349. Pops and bangs are an extra £80, and Stage 1 with AdBlue or DPF/EGR work at the same time is £349.
At our unit: Unit 15 Fenpark Industrial Estate, Fenton, Stoke-on-Trent ST4 3JP. Open Mon to Fri 9am to 6pm and Saturday 10am to 5pm.
Still have a question? Message us with your reg and what you would like done.